Delivering to user@domain versus user@host.domain

Ken Murchison ken at
Fri May 16 21:47:00 EDT 2003

Don Doumakes wrote:
> On 2003.05.14 21:43:43 -0500 Don Doumakes wrote:
>> I'm a cyrus-imap newbie, setting up a replacement mail server with 
>> Cyrus.  I've got it close to exactly how I want it, and could use some 
>> help taking the next step.
>> I'm running cyrus-imapd 2.2.0 alpha, compiled from source, and 
>> cyrus-sasl 2.1.10-1, installed from RPM.  The /etc/imapd.conf file is:
>> #==============================
>> configdirectory: /var/imap
>> defaultpartition: two
>> partition-two: /usr2
>> partition-three: /usr3
>> partition-four: /usr4
>> partition-five: /usr5
>> partition-six: /usr6
>> partition-seven: /usr7
>> partition-eight: /usr8
>> partition-nine: /usr9
>> hashimapspool: yes
>> admins: cyrus at
>> allowplaintext: yes
>> loginrealms:
>> sasl_pwcheck_method: auxprop
>> sasl_mech_list: PLAIN
>> unix_group_enable: no
>> #defaultdomain:
>> servername:
>> virtdomains: yes
>> singleinstancestore: yes
>> #Necessary?
>> #sasl_sasldb_path: /etc/sasldb2
>> #==============================
>> With this configuration, I'm able to create a mailbox named 
>> user.don at  I can log in to that account, and 
>> deliver to the mailbox.
>> I then modify /etc/imapd.conf so the "admins" and "loginrealms" 
>> entries are no longer but rather  
>> (Of course I clean up from the first experiment, restart imapd and all 
>> that.)
>> Now I can create a mailbox named user.don at  I can log 
>> in, but if I attempt to deliver mail to don at I get a 
>> "User unknown" error.
>> I would be grateful for a hint.
> Still no reply to the above.  Would it be helpful if I supplied more 
> information?

My guess is that your MTA is changing the recipient address to contain 
the fully qualified hostname.  Can you capture what is being sent to 
lmtpd, or if you know SMTP/LMTP can you talk to lmtpd directly and try 
to deliver a message?

Kenneth Murchison     Oceana Matrix Ltd.
Software Engineer     21 Princeton Place
716-662-8973 x26      Orchard Park, NY 14127
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